Trang uised tae be a port involved in foreign trade. It wis the first ceety whaur rubber wis plantit. Phraya Ratsadanupradit Mahison Phakdi brought rubber frae Malaysie and plantit it here afore onywhaur else in soothren Thailand in 1899. Rubber is nou considered an important commodity o Thailand. The important Trang River flows through the province frae its oreegin in the Khao Luang muntain range an the Palian River frae the Banthat muntain range. Trang province haes an aurie o approximately 5,000 square km.